Welcome to the Costco Customer Service page. Explore our many helpful self-service options and learn more about popular topics.

Welcome to the Costco Customer Service page. Explore our many helpful self-service options and learn more about popular topics.

Costco Home Improvement Installed Products. For Graber Window Treatments: 1-855-742-9130 For Lennox HVAC: 1-877-483-6226

Some membership changes that require a transaction cannot be made on Costco.com or by Live Chat - see below for information on how to make your requested changes. How do I check warehouse inventory? To use our customer service page instead, follow these steps: Select Chat Us in the lower right corner of the page

To use our customer service page instead, follow these steps: Select Chat Us in the lower right corner of the page Enter your first name, last name, and email address

Welcome to the Costco Customer Service page. Explore our many helpful self-service options and learn more about popular topics.

Welcome to the Costco Customer Service page. Explore our many helpful self-service options and learn more about popular topics.

Costco will install any loose trailer tire with the exact same size and load index tire that is currently on the wheel; Costco will only install trailer tires on a trailer if the owner of the trailer has documentation stating the wheel torque specification from the trailer manufacturer; Costco will only install Costco-purchased tires

Welcome to the Costco Customer Service page. Explore our many helpful self-service options and learn more about popular topics.

Welcome to the Costco Customer Service page. Explore our many helpful self-service options and learn more about popular topics.